Greg Kroah-Hartman, the Linux kernel maintainer, has once again put the spotlight on Rust. During his talk at Rust Week 2026, held in Utrecht, Netherlands, the developer stated that the language not only improves system security but also makes the work of maintainers more bearable. In a context where unsafe memory is a constant source of errors, his message was clear: we need more Rust developers.
The challenge of integrating Rust into the kernel ecosystem 🛠️
The adoption of Rust in the kernel is not a whim. Greg explained that the language's ownership system and borrow checker eliminate entire classes of memory vulnerabilities at the root, such as buffer overflows. However, integration is not trivial: it requires rewriting critical drivers and maintaining compatibility with existing C code. Greg emphasized that the process is advancing slowly but steadily, and that the community needs more collaborators willing to deal with the complexities of binding and kernel rules.
Is Rust fun? Ask the kernel maintainer 😄
When a veteran like Greg says Rust is more fun than C, it's like a plumber confessing they prefer using a power screwdriver. The irony is served: for years, kernel developers have lived in a love-hate relationship with memory leaks and wild pointers. Now it turns out the solution is a language that forces you to be tidy, like a parent telling you: have fun, but clean up your room. In the end, everyone wins: maintainers have fun and users sleep more soundly.